Skull Foramina

Question 1

cribriform plate

Answer 1

CN1

Question 2

foramen cecum 1

Answer 2

nasal emissary vein

Question 3

anterior ethmoidal foramen 3

Answer 3

anterior ethmoidal a, v, n

Question 4

posterior ethmoidal foramen 3

Answer 4

posterior ethmoidal a, v, n

Question 5

optic canal

2

Answer 5

CN II

ophthalmic artery

Question 6

superior orbital fissure

5

Answer 6

CN's:
III (oculomotor) 
IV (trochelar) 
V1 (ophthalmic) 
VI (abducens) 

superior ophthalmic v

Question 7

foramen rotundum 1

Answer 7

CN V2 (maxillary)

Question 8

Foramen ovale 2

Answer 8

CN V3 (mandibular) 
accessory meningeal artery

Question 9

foramen spinosum 2

Answer 9

middle meningeal artery

recurrent meningeal n. (V3)

Question 10

Hiatus for greater petrosal nerve 2

Answer 10

greater petrosal nerve (CNVII)

petrosal branch of middle meningeal artery

Question 11

where is the hiatus for the lesser petrosal nerve is relation to the greater petrosal nerve

Answer 11

more lateral than the greater

Question 12

internal acoustic meatus 3

Answer 12

CN VII (facial)
VIII (vestibulocochlear) 
internal labryrinthine artery

Question 13

jugular foramen 8

Answer 13

CN’s:
IX (glossopharyngeal)
X (vagus)
XI (accessory spinal n)

sigmoid sinus

inferior petrosal sinus

internal jugular v.

posterior meningeal branches of occipital and ascending pharyngeal arteries

Question 14

foramen magnum 6

Answer 14

Spinal cord
spinal roots of CNXI
vertebral artery
anterior and posterior spinal arteries
dural veins

Question 15

hypoglossal canal 2

Answer 15

CN XII (hypoglossal) 
posterior meningeal branch of ascending pharyngeal artery

Question 16

petrotympanic fissure

Answer 16

medial to mandibular fossa

chorda tympani of CN VII

Question 17

stylomastoid foramen 1

Answer 17

SVE of CN VII

Question 18

carotid canal 2

Answer 18

internal carotid artery

sympathetic plexus

Question 19

tympanic canaliculus 1

Answer 19

tympanic branch of CN IX

Question 20

mastoid canaliculus 1

Answer 20

auricular branch of CNX

Question 21

foramen lacerum 1

Answer 21

meningeal branch of ascending pharyngeal artery

Question 22

supraorbital notch

Answer 22

supraorbital a, v, n

Question 23

infraorbital foramen

Answer 23

infraorbital a, v, n

Question 24

nasolacrimal canal

Answer 24

nasolacrimal duct

Question 25

superior orbital fissure 5

Answer 25

CNS's:
III
IV
V(1) 
VI
superior opthalmic vein

Question 26

inferior orbital fissure 5

Answer 26

infraorbital a and nerve

orbital and zygomatic nerves

inferior opthlamic vein

Question 27

sphenomaxillary fissure 1

Answer 27

3rd portion of maxillary artery

DOOR

Question 28

pterygopalatine fossa 2

Answer 28

ROOM

3rd portion of maxillary artery
pterygopalantine ganglion

Question 29

sphenopalatine foramen 2

Answer 29

sphenopalatine artery

nasopalatine nerve

posterior superior lateral nasal nerve

Question 30

pterygoid canal 2

Answer 30

nerve and artery of pterygoid canal

anterior wall of foramen lacerum

Question 31

pharyngeal canal

Answer 31

pharyngeal artery and nerve

Question 32

greater palatine canal 2

Answer 32

greater palatine artery and nerve

Question 33

lesser palatine canal

Answer 33

lesser palatine artery and nerve

Question 34

zygomaticofacial foramen 2

Answer 34

zygomaticofacial artery and nerve

Question 35

Zygomaticotemporal foramen 3

Answer 35

zygomaticotemporal artery, vein and nerve

Question 36

incisive canal 2

Answer 36

nasopalatine nerve

greater palatine artery

Question 37

mandibular foramen 3

Answer 37

inferior alveolar artery, vein , nerve

Question 38

mental foramen 3

Answer 38

mental artery, vein, nerve